Glass Block Basement Windows - 7 Steps to Get it Right the First Time

Glass block basement windows seem simple enoughyour finished quality. The decision between silicone and
to do - take a few blocks, mortar them together,mortar joints is driven by personal taste and which
remove a frame, and then put them into the opening.processes finished window size will best fit your
However, like most skilled trades it looks easy when aparticular window openings. The main advantages of
professional who is armed with the tools and tricks ofmortar joints is the ability to vary the size of the joint
the trade is doing it. The key to a successfuland the traditional look that matched well with brick
basement window project in remodeling is to have aveneer and block basements. The top advantages of
logical process to get the job completed. Learn 7silicone joints are they can be put into tighter fitting
steps to get this work done right the first time.openings and also the all glass look of the panel. If you
Step 1 - Determine what the foundation is made ofaren't sure of what will be the best choice for your
and take your measurements - Most foundations havehome or building call a block specialty window
masonry openings made of poured concrete orfabricator with your opening sizes for
concrete blocks with the occasional wood framerecommendations on the best jointing process.
opening (this is more common in walk out basementsStep 5) Remove the old window sash and/or frame -
where the lower level is above the ground level of theIn masonry basement windows remove the window
land around it). For masonry openings measure fromsash and frame. This is best accomplished by
the top of the sill to the bottom of the header. For aremoving the sash first and then collapsing, cutting or
frame opening measure the area that will exist aftergrinding out the old frame with a pry bar, saw, or
the window sashes will be removed.grinder. For frame openings, in most cases, you will
Step 2 - Evaluate the need for glass block air ventsremove the sash only.
and a dryer vent - It's always best to maximize airStep 6) Set the window level and plumb and wedge it
flow and ventilation to have a healthy and mold freesecurely in the opening - Place the window in the
home. Vinyl framed energy efficient air vents can beopening and use a level to ensure the correct location.
added to create an operable window inside a secureNext, use a wood window wedge to keep the
glass block panel. Dryer vents, exhaust power fans,pre-made panel in place.
and fully removable sash windows are also available.Step 7) Secure and seal the window into place - For
Step 3) Consider colored and etched glass blocks formasonry openings add water to pre-mixed glass block
style - Your block window does not have to look likemortar mix (these are available in 50 lbs. bags), mix
everyone else's - add style, design, colors and tintedwith a hoe or trowel, and fill the sides, tops and sills (this
blocks. A project in Alabama used a step down colorcan be done with a pastry bag or tuck pointing tool).
block window instead of stained glass to increaseFor frame openings use spray foam insulation
safety against heavy wind loads. In addition, the facesbetween the block panel and the window frame, then
of the blocks can now be etched with personalizedinstall wood stops around the panel as needed, and
custom images or stock patterns to tie into yourthen install aluminum or PVC coated coil stock over
interests, hobbies, and personal tastes.the wood framing on the outside.
Step 4) Order the prefabricated glass block panel withIf you're still not sure you want to tackle a glass block
mortar or silicone joints - Prefabricated block windowbasement window installation call your specialty
assemblies will save you time, money, and improvecontractor for an estimate.